From the gorgonian S. suberosa Pallas collected from the
Mandapam coast, Tamil Nadu, a mono­hydroxy sterol mixture subergorgic acid 1, batyl alcohol 2, two pregnane derivative mixtures, thymine 3, and a new ceramide mixture in which
N-hexadecanoyl-2-amino-1,3-dihydroxyoctadec-4-ene 6 is the major isomer,
have been isolated. Compounds 1, 3,
6 and one of the pregnane mixtures exhibit antibacterial and antifungal
activities.

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